// Station · 37m ago

WBSB

Brunei International Airport

CAT VFR

WIND 170° / 4 kt

VIS 6+ SM

CEILING BKN at 30,000 ft

T/Td 28°C / 24°C

ALTIM 29.91 inHg

ELEV 73 FT

4.9442°N / 114.9280°E

LOCATION · Bandar Seri Begawan, BN

WIND

170°4 kt

WBSB · 73 FT

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

170°/4

VIS

6+ SM

CEILING

BKN300

LAYERS

FEW015 BKN300

T / Td

28 / 24

ALTIM

29.91"

// Interpretation

VFR — ceiling 30,000 ft. Light winds at 170°/4 kt, visibility 6+ SM, a few at 1,500 ft, and broken at 30,000 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR WBSB 130030Z 17004KT 9999 FEW015 BKN300 28/24 Q1013 NOSIG

WBSB · day 13 at 00:30 UTC · wind from 170° at 4 kt · visibility 6+ SM · a few clouds at 1,500 ft · broken layer at 30,000 ft · temp 28°C / dewpoint 24°C · altimeter 29.91" Hg

// Runway analysis · computed from current METAR wind

Wind 170° @ 4 kt

ALL USABLE · WINDS CALM

WIND

170°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

03 HDG 030° —CALM —— 12,000'

21 HDG 210° —CALM —— 12,000'

Pattern altitude: 1,073 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA +13°C

1,700FT

+1,627 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV73 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT79 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,700 ft high on a standard ISA day — that's +1,627 ft above WBSB's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+17%

-12%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+12%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-5%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN300

Broken · base 30,000 ft AGL · ~5–7 oktas

FEW015

Few · base 1,500 ft AGL · ~1–2 oktas

// Computed

CEILING30,000 ft AGL HIGHEST LAYER30,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL14,214 ft VFR MARGIN+27,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+8)

22:07ZSUNRISE

04:07ZSOLAR NOON

10:08ZSUNSET

10:29ZCIVIL END

CURRENT01:07Z DAYLIGHT REMAINING9h 01m VFR NIGHT BEGINS10:29Z (9h 21m) DAY LENGTH12h 01m

Waxing Crescent

ILLUMINATION3% MOONRISE23:28Z MOONSET11:29Z FULL MOON IN13 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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